2498998949 has 2 divisors, whose sum is σ = 2498998950. Its totient is φ = 2498998948.

The previous prime is 2498998937. The next prime is 2498998951. The reversal of 2498998949 is 9498998942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1859161924 + 639837025 = 43118^2 + 25295^2 .

It is a cyclic number.

It is not a de Polignac number, because 2498998949 - 2¹² = 2498994853 is a prime.

Together with 2498998951, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2498998549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1249499474 + 1249499475.

It is an arithmetic number, because the mean of its divisors is an integer number (1249499475).

Almost surely, 2^2498998949 is an apocalyptic number.

It is an amenable number.

2498998949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2498998949 is an equidigital number, since it uses as much as digits as its factorization.

2498998949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 120932352, while the sum is 71.

The square root of 2498998949 is about 49989.9884876962. The cubic root of 2498998949 is about 1357.0276327485.

The spelling of 2498998949 in words is "two billion, four hundred ninety-eight million, nine hundred ninety-eight thousand, nine hundred forty-nine".